HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$378+ Cheap flights from Gillette to Seattle (GCC - SEA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
GCC — SEA
May 31 — Jun 71
Sun 5/31
Sun 6/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Gillette to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Gillette to Seattle

Cheapest flights from Gillette to Seattle
Explore the most affordable flight options available from Gillette to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2026.

This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:26 pm
GCC
-
SEA
1 stop5h 20m
United Airlines
Sat 10/245:00 am
SEA
-
GCC
1 stop6h 51m
United Airlines
Deal found 4/29$378
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2210:20 am
GCC
-
SEA
2 stops12h 48m
United Airlines
Sun 5/245:07 am
SEA
-
GCC
1 stop15h 41m
United Airlines
Deal found 4/28$557

Find flight deals from Gillette to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Gillette (GCC) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$378
(United Airlines)
Provider with most accurate pricing for Gillette Campbell County-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Gillette Campbell County-Seattle/Tacoma Intl flights.
Search Deals
From Gillette Campbell County to Seattle/Tacoma Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Gillette to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2026.
Use the filters below to find and compare flights from Gillette to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

GilletteSeattle

GCC - SEA

GCCSEA

Gillette Campbell County

Tue 10/20

1:26 pm-5:46 pm

1 stop5h 20m

Seattle/Tacoma Intl

Sat 10/24

5:00 am-12:51 pm

1 stop6h 51m

$378

GilletteSeattle

GCC - SEA

GCCSEA

Gillette Campbell County

Fri 5/22

10:20 am-10:08 pm

2 stops12h 48m

Seattle/Tacoma Intl

Sun 5/24

8:45 am-9:48 pm

2 stops12h 03m

$560

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Sorted by cheapest first

Compare providers for flights from Gillette to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Gillette to Seattle in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Gillette-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Gillette-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Gillette-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Gillette-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Gillette-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Gillette to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Gillette with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated May 1, 2026.
See what other customers who have flown with United Airlines from Gillette to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,678 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,678 reviews
United Airlines
7.4
Good
9,678 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

Find useful and relevant information for your journey from Gillette to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Gillette to Seattle?

    Airlines like United Airlines fly from Gillette to Seattle in about 5h 20m. The time it takes to get you to your destination can typically vary by up to . There are 832 mi between Gillette and Seattle.

  • What is the cheapest airline to fly from Gillette to Seattle round-trip?

    According to our current data, United Airlines ($263), offers the cheapest pricing from Gillette to Seattle.

  • Can I find deals for flights from Gillette to Seattle that include hotel bookings?

    Yes. In addition to deals on Gillette to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Gillette to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gillette to Seattle.

  • Can I find deals for business class flights from Gillette to Seattle?

    Yes. Cheapflights offers flight deals from Gillette to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Renton
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Gillette to Seattle

Discover the top airline that operate flights from Gillette to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$263Average$587FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights